Effect of Inverse Ratio Ventilation During Induction of General Anesthesia on Safe Apnea Time in Obese Patients
Conditions
Interventions
- OTHER: Inspiratory-to-expiratory (I : E) ratio of 1:2
- OTHER: Inspiratory-to-expiratory (I : E) ratio of 2:1
Sponsor
General Hospital of Ningxia Medical University